Hatch or door system for securing and sealing openings in...

Details Hatch or door system for securing and sealing openings in... Hatch or door system for securing and sealing openings in...

2005-10-11

2005-10-11

Olson, Lars A. (Department: 3617)

Ships

Bulkheads and doors

Doors

C049S395000

Reexamination Certificate

active

06953001

ABSTRACT:
A hatch or door system secures and seals an opening in a surrounding structure, such as a horizontal or vertical surface of a marine vessel. A panel having at least two straight edges is rotatably mountable to the surrounding surface. An operating mechanism is mounted on the surrounding structure, rather than on the panel, to retain the panel in the closed position. The operating mechanism includes dogging members configured to apply a force along at least a portion extending continuously along each of the two straight edges when in a panel-securing position. A gasketing mechanism is included to seal the panel in the closed position.

REFERENCES:
patent: 904275 (1908-11-01), Peckham
patent: 1364800 (1921-01-01), Peterson
patent: 2355025 (1944-08-01), Arthur
patent: 2493882 (1950-01-01), Lambert
patent: 2493980 (1950-01-01), Lambert
patent: 2511267 (1950-06-01), Jacob
patent: 3771485 (1973-11-01), Brunsell
patent: 5086587 (1992-02-01), Andrews
patent: 6341450 (2002-01-01), Macander et al.

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